2381238 has 20 divisors (see below), whose sum is σ = 5336100. Its totient is φ = 793692.

The previous prime is 2381231. The next prime is 2381243. The reversal of 2381238 is 8321832.

2381238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7188 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (266805).

2^2381238 is an apocalyptic number.

2381238 is an abundant number, since it is smaller than the sum of its proper divisors (2954862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2381238 is a wasteful number, since it uses less digits than its factorization.

2381238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14713 (or 14704 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2381238 is about 1543.1260479948. The cubic root of 2381238 is about 133.5367907690.

The spelling of 2381238 in words is "two million, three hundred eighty-one thousand, two hundred thirty-eight".